CONSOLIDATED STATEMENTS OF OPERATIONS - (UNAUDITED) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
CONSOLIDATED STATEMENTS OF OPERATIONS - (UNAUDITED) [Abstract]
Net sales	$ 46,302	$ 44,801	$ 89,265	$ 86,467
Cost of sales	9,738	8,694	19,136	16,391
Gross profit	36,564	36,107	70,129	70,076
Operating expenses:
Commissions and incentives	19,782	19,181	36,750	36,722
Selling and administrative expenses	8,946	8,541	16,822	17,172
Depreciation and amortization	421	588	807	1,225
Other operating costs	6,815	6,247	13,771	12,752
Total operating expenses	35,964	34,557	68,150	67,871
Income (loss) from operations	600	1,550	1,979	2,205
Interest income	35	17	36	4
Other income (expense), net	192	(1,420)	(144)	(1,003)
Income before income taxes	827	147	1,871	1,206
(Provision) benefits for income taxes	(1,519)	637	(2,335)	222
Net income (loss)	$ (692)	$ 784	$ (464)	$ 1,428
Earnings (loss) per common share:
Basic (in dollars per share)	$ (0.26)	$ 0.30	$ (0.17)	$ 0.54
Diluted (in dollars per share)	$ (0.26)	$ 0.30	$ (0.17)	$ 0.54
Weighted-average common shares outstanding:
Basic (in shares)	2,662	2,648	2,658	2,648
Diluted (in shares)	2,662	2,655	2,658	2,658